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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package org.apache.marmotta.platform.core.util;
Utility methods for web services

Author: Sebastian Schaffert

public class WebServiceUtil {


    
Create a JSON representation of an exception, to be returned to the client. The JSON object will be formatted as follows: { type: 'JAVA CLASS NAME', message: 'EXCEPTION MESSAGE' }
    public static String jsonErrorResponse(Exception e) {
        Map<String,Objectresult = new HashMap<StringObject>();
        result.put("type"e.getClass().getSimpleName());
        result.put("message"e.getMessage());
        result.put("trace", ExceptionUtils.getStackTrace(e));
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsString(result);
        } catch (IOException ex) {
            // cannot occur, we write to a string
            return null;
        }
    }

    
Create a JSON representation of an exception, to be returned to the client. The JSON object will be formatted as follows: { type: 'JAVA CLASS NAME', message: 'EXCEPTION MESSAGE' }
    public static void jsonErrorResponse(Exception exOutputStream outthrows IOException {
        Map<String,Objectresult = new HashMap<StringObject>();
        result.put("type",ex.getClass().getSimpleName());
        result.put("message",ex.getMessage());
        ObjectMapper mapper = new ObjectMapper();
        mapper.writeValue(out,result);
    }

    
Get the resource's path

Parameters:
resource target resource
Returns:
path
    public static String getResourcePath(Object resource) {
        try {
            return (String) ReflectionUtils.getAnnotationValue(resourcePath.class"value");
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
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